How to printf a Java String. To use the Java String printf method to format output text, follow these rules:. Use %s as the printf String specifier in the text string being formatted.; Use %S as the ...

Add a long inside a text String. The easiest way to convert a long to a String is to append it to double quote. However, for complex output where a long must be embedded in a Java String, use the ...

The basic gist of it is that for this special 64-bit floating point value, the Java call Double.parseDouble("2.2250738585072012e-308") will get stuck in an infinite loop. Read the link above to ...